interference at the cdc. >> you ruin the credibility of the organization, and you don't get the benefit of the doubt in moments like this if in fact this really was a mistake. >> reporter: also tonight "the washington post" reports the fda will announce tougher standards to approve a vaccine, making it very unlikely one could be approved by election day. it's an effort to shore up public support with many americans saying they're suspicious of white house efforts to rush a vaccine before the election. >> and our thanks to correspondent tom costello for that report. coming up, something we spotted today with our eye in the sky when we continue. etfs for any amount you choose instead of buying by the share. all with no commissions. stocks by the slice from fidelity. get your slice today. economics? algorithms? magic? turns out, it's you. doing your thing.